Compilare: user.cpp: In function ‘bool nod_predominant(int)’: user.cpp:35:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<q[x].size();i++) ^ user.cpp: In function ‘bool forward_sulit(int)’: user.cpp:46:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<q[k].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:75:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<q[k].size();i++) ^